The principle and the method of making a special power supply for a small, highly stable potential difference meter are introduced. It finds comprehensive application in college physical experiments.
本文介绍了一种小型高稳定电位差计专用电源的原理及制作方法。该电源在大学物理实验中具有较广泛的使用价值。
You find that with any existing simple "noise-meter", vehicles which are judged to be equally noisy may show considerable difference on the meter.
你会发现，使用任何现有的简单“噪音表”，被判定为发出同样大小噪音的车辆，在表上可能显示出相当大的差异。
He likened his previous records and the round-the-world attempt to the difference between a 100-meter sprint and running a marathon: "They are completely different, but we want both."
他把之前创造的纪录和环游世界的计划之间的差距比作100米短跑和跑马拉松的区别：它们是截然不同的挑战，但我们都要拿下。
Information such as speed, heading, GPS difference equipment can also be the vehicle of various sensors (such as log, speed meter, magnetic compass, etc.) for the calibration work.
速度、航向等信息，车载GPS差分设备还可以对车辆上的各种传感器(如计程仪、车速仪、磁罗盘等)进行校准工作。
Based on the single chip microprocessors, an intelligent technical improvement method for the pressure difference water level meter is presented.
介绍了一种以单片机为基础的差压式水位计的智能化技术改进方法。
She swam the butterfly leg on the 400-meter medley relay team, but it was really the breaststroke and freestyle legs that made the difference.
她在400米混合泳接力赛中游的是蝶泳，但其实立大功的还属蛙泳和自由泳段。
It introduces briefly the method of the general gas flow measurement with the temperature and pressure compensation by the flow meter of pressure difference.
简要介绍使用差压式流量传感器进行一般气体流量测量时的温压补偿方法；
The gas meter is a kind of serialization products. Although the main difference is that gas meters of the same series possess different flux, they have the comparability in the entire structure.
燃气表是一种系列化产品，同一系列产品的主要区别是燃气表流量的不同，而它们的整体结构具有相似性。
A new technology of airspeed meter of micro air vehicle based on micro difference pressure senso, micro amplifier and DSP is introduced.
介绍了一种采用微差压传感器、微型放大器、微功耗数字信号处理器(DSP)设计的新型微型飞行器空速计。
This paper explained the commonly used principle of ultrasonic flow meter: time-difference method and Doppler method and introduced the classification of the ultrasonic flow meter.
本文阐述了超声波流量计常用的时差法、多普勒法的测流原理，以及超声波流量计的分类。
What is the price per square meter of fluorocarbon spraying and the difference between the fluorocarbon coating process and the powder coating?
氟碳喷涂和粉末喷涂的区别， 氟碳喷涂是目前我们修建外立面常常运用的一…
Slope landscaping: with 30 Angle and 6 meter height difference of the slope and 30,000 cubic meter soil makes the work difficult.
坡向绿化。30度的土方安息角、6米的坡地高差、近3万立方米的土方量，给施工造成了相当的难度。
And owns direct reading spectrometer, tension testing machine, hardness tester, thickness gage, gloss meter, color difference machine etc from Germany.
并配备德国进口直读光谱仪、拉力试验机、硬度计，测厚计，光泽计，色差仪等大批检测设备。
The flux and the temperature difference between inlet and outlet of the heat-supply system must be measured when measuring heat flux by heat meter, and then the result can be calculated.
目前的热流计在测量热量时需要测量供热管道的流量以及进出口温度，然后再对其进行积分计算。
This paper introduced the flow measuring principle of time-difference method of ultrasonic flow meter and the flow calculating method in flow measurement with velocity instrument.
论述了流速仪法测流及水轮发电机组现场效率试验的原理和计算方法。
This paper introduced the flow measuring principle of time-difference method of ultrasonic flow meter and the flow calculating method in flow measurement with velocity instrument.
论述了流速仪法测流及水轮发电机组现场效率试验的原理和计算方法。
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